Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock - options activity (Details)

v3.5.0.2
Shareholders' Equity and Capital Stock - options activity (Details)
6 Months Ended
Jun. 30, 2016
$ / shares
shares
Options Rollforward  
Outstanding, Beginning Balance | shares 9,974,407
Exercised, Options | shares (16,620)
Forfeited, Options | shares (238,537)
Expired, Options | shares (1,172,648)
Outstanding Ending Balance, Options | shares 8,546,602
Outstanding, Beginning Balance, Weighted-average exercise price $ 0.88
Exercised, Weighted-average exercise price 0.56
Forfeited, Weighted-average exercise price 0.64
Expired, Weighted-average exercise price 2.11
Outstanding Ending Balance, Weighted-average exercise price 0.72
Grant date intrinsic value $ 0